nevada43 Posted July 31, 2016 Share Posted July 31, 2016 Good morning. A couple of weeks ago I noticed that when I was stopped at a light my engine felt like it was missing. Did it again badly the next day. Had about 1/2 tank of gas so I decided to go fill it up and this time not my usual gas station. Took the car on the highway for about 15 minutes and seemed to clear up the problem until today when it is doing the same thing...not all the time but it is doing it. Just wondering if anyone had the same problem. Thank you. 0 Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted July 31, 2016 Share Posted July 31, 2016 I see you posted about a slight hesitation and transmission issues a couple of years ago. Did they ever get resolved, and if so, what were the causes? How many KMs on your Fusion now? If changing the fueling station makes a difference to the hesitation, then it's easy to suspect that fuel injectors might need cleaning, and possibly the spark plugs may be fouled as well or the gap is beginning to cause a noticeable issue. So I would run a couple of tankfuls of Techron Concentrate Plus or BG 44K (or their DI product) and see how it goes. Depending on the KMs on the car right now, may want to change plugs anyway, fairly easy since you only have 1 bank to worry about. A sticking throttle plate can also cause similar issues. If it is dirty, I would check the PCV system also. Pull codes from the PCM first though to see if it yields a clue. Any major auto parts store should have a code reader and do it for free. 0 Quote Link to comment Share on other sites More sharing options...
nevada43 Posted July 31, 2016 Author Share Posted July 31, 2016 Car only has 27,000 kms(Canadian)...lol. This car is under warranty still. Just like to ask and see if others had the same problem 0 Quote Link to comment Share on other sites More sharing options...
MightBeASynth Posted July 31, 2016 Share Posted July 31, 2016 This could also be bad gas, the ecoboost seems to behave worse than any other car I have had when the gas is not quite right. You can run 87 but it needs to be decent. 1 Quote Link to comment Share on other sites More sharing options...
nevada43 Posted August 1, 2016 Author Share Posted August 1, 2016 Yes that is what I thought when it did it the first time a couple of weeks back...bad gas....so I went to fill it up at another station and had two more fill ups since then and all had seemed fine until yesterday....today it was really bad first thing in morning but now seems to be ok. Definitely something not right. 0 Quote Link to comment Share on other sites More sharing options...
MightBeASynth Posted August 1, 2016 Share Posted August 1, 2016 My goto for phantom issues like this is a data logger, start tracking your car with every drive so that when it happens you can open up the logs and see what you are dealing with. Will also allow you to read and clear codes which saves you any basic diagnostic fees. 0 Quote Link to comment Share on other sites More sharing options...
nevada43 Posted August 1, 2016 Author Share Posted August 1, 2016 Will take it in to dealership....car is under warranty till Feb. 2017 0 Quote Link to comment Share on other sites More sharing options...
malisk Posted February 18, 2017 Share Posted February 18, 2017 Soo...what was it? 0 Quote Link to comment Share on other sites More sharing options...
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